package day10stringbuilderdemo;

public class StringBuilderDemo5 {
    public static void main(String[] args) {
        int[] arr = {1,2,3};
        System.out.println(arrToString(arr));

    }

    public static String arrToString(int[] arr){
        StringBuilder sb = new StringBuilder("[");
        for (int i = 0; i < arr.length; i++) {
            if (i == arr.length-1){
                sb.append(arr[i]+ "]");
            }else {
                sb.append(arr[i] + ", ");
            }
        }
        return sb.toString();
    }

}
